Answer:
A) 72
Step-by-step explanation:
Okay well sice the lines AC and BD are parrallel that tells you that angles 4 is equal to 7 and angle 3 is equal to 8. Knowing this helps, now angle 3 and 4 have to equal 180 degrees cause it a strioght line. so do 180 - 108 (angle 3) equals angle 4. Once you find angle 4 degrees its the same as angle 7.
